As per the instruction received in the "Merit" thread, this is my proposal to be a merit source. I have focused on the Spanish local forum, that is in need of quality posts or even in need of some relevant posts at all.
By the way, the alts forum in Spanish is full of [ANN]. It discourages any posting, as it is likely to be buried in commercial threads and be ignored. Could there be a child there?
An open discussion on Shiller’s opinion on bitcoin, short, full of data and well thought.
https://bitcointalksearch.org/topic/opinion-de-robert-shiller-sobre-el-bitcoin-2791937
A very interesting post on keeping the cryptos decentralised and avoid falling in the same mistakes as the “old” system of ratings
https://bitcointalksearch.org/topic/m.28645831
Tax advice for crypto users at pro-level!
https://bitcointalksearch.org/topic/m.14604252
A good advice from a Newby. How to spend your hard earned BTC
https://bitcointalksearch.org/topic/m.28509667
A good question, documented, raised by a promising Newby
https://bitcointalksearch.org/topic/es-el-consumo-energetico-un-problema-para-la-expansion-de-las-criptomonedas-2567221
An a good answer to the topic
https://bitcointalksearch.org/topic/m.27302239
A serious and technical discussion about bitcoin (core)
https://bitcointalksearch.org/topic/m.19189260
Within the same thread, a view on forks and people behaviour
https://bitcointalksearch.org/topic/m.22603157
From China, with love
https://bitcointalksearch.org/topic/m.17469307
This thread is gold. Bitcoin Gold.
https://bitcointalksearch.org/topic/m.19189260
Posts older than 2 months, yet still great posts:----------------
A great pinned post on taxes and bitcoin for Spanish
https://bitcointalksearch.org/topic/bitcoins-y-fiscalidad-espanola-guia-para-el-operador-y-el-desobediente-211073
An explanation from a Hero Member on how can a normal business accept bitcoins and manage the payments. Helpful!
https://bitcointalk.org/index.php?topic=36811.msg453338#msg453338
A thread about cryptocurrencies in Venezuela. Shows how cryptos substitute the fiat when the governments misbehave.
https://bitcointalksearch.org/topic/las-cryptomonedas-en-venezuela-1644967
A good post on the future of bitcoin mining by a legendary member, in Spanish.
https://bitcointalksearch.org/topic/m.1074898
An excellent answer to how to safely create a bitcoin paper wallet.
https://bitcointalksearch.org/topic/m.3573254
How bitcoin can support the 15 M political movement in Spain. Good ideas, detail… good post. The whole thread is good in fact.
https://bitcointalksearch.org/topic/movimineto-15-m-10180
A Legendary member advice on how to check an alt for buying
https://bitcointalksearch.org/topic/m.18595679
A long yet interesting and well though post on inflation and bitcoin
https://bitcointalksearch.org/topic/bitcoin-y-deflacion-32835
A very curated example of the use cases of cryptos with drawings included.
https://bitcointalksearch.org/topic/m.26277734
A clear explanation of bitcoin for newcomer in Spanish
https://bitcointalksearch.org/topic/guia-para-el-absoluto-novato-en-bitcoin-12595
A guide to taxes and bitcoin with links
https://bitcointalksearch.org/topic/lectura-obligatoria-las-leyes-aplicables-a-bitcoin-en-espana-413176